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W211 AMG Discuss the W211 AMG's such as the E55 and the E63

looped fuel rail & return

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Old Jul 27, 2014 | 03:27 PM
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cij911
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looped fuel rail & return
Is anyone (other than Craig) running a looped fuel rail with a return line ? I am wondering if it would be beneficial to do this as well as an aftermarket FPR, fuel pumps, and external filters. Thanks in advance
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Old Jul 27, 2014 | 10:18 PM
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Let me know if you need pics and parts list brotha. Its not hard to do and fairly cheap.
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Old Jul 27, 2014 | 10:31 PM
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I do I do!!! A parts list and pics would be great. Thanks
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Old Jul 28, 2014 | 12:11 AM
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Originally Posted by chawkins2001
Let me know if you need pics and parts list brotha. Its not hard to do and fairly cheap.
Me!!!

Or, better if you put together a kit with instructions!
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Old Jul 28, 2014 | 07:11 AM
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I'm into this also! I'm past the service interval, and don't like the idea of buying parts known to fail on a regular basis.
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Old Jul 28, 2014 | 08:09 AM
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Interesting. How/where does the fuel return to the tank? I agree that getting rid of that mess is a good thing. (so long as Frankensteinian surgery isn't required!)
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Old Jul 29, 2014 | 09:19 AM
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You already know I'm in for pics and take-off
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Old Jul 31, 2014 | 08:07 AM
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2006 E55 AMG
return line, removed factory fpr, -6an feed and return off looped portion, 2 inline filters:
Attached Thumbnails looped fuel rail & return-img_3598.jpg   looped fuel rail & return-img_3582.jpg   looped fuel rail & return-img_3581.jpg   looped fuel rail & return-img_3577.jpg  
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Old Jul 31, 2014 | 08:12 AM
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more pics
Attached Thumbnails looped fuel rail & return-img_3575.jpg  
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Old Jul 31, 2014 | 08:17 AM
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Thanks for the pics! Do you recall if there is a Y or T anywhere in the stock feed line going from the back to the front?
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Old Jul 31, 2014 | 08:36 AM
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ML63
Will this need the ECU recoded so that it doesn't throw a code?
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Old Jul 31, 2014 | 08:37 AM
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Nice setup. I was hoping to also eliminate the factory pump. I guess it's good enough.
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Old Jul 31, 2014 | 09:16 AM
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If you put together a kit, I'd buy it!
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Old Aug 1, 2014 | 01:14 PM
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Originally Posted by BRABUSCL600
If you put together a kit, I'd buy it!
+1
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Old Aug 1, 2014 | 01:39 PM
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Nice stuff. What was the approximate cost of parts?

Pics need more instagram filters. I can still make out some of the colors :P
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Old Aug 1, 2014 | 04:44 PM
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A kit would be a hot seller and especially if it had a pump replacement option. Our OEM pumps are stupid expense. I imagine a much better solution could be developed (in kit form) that was close to or cheaper than the $1000+ needed to replace oem..
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Old Aug 1, 2014 | 06:02 PM
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I'd gladly spend the thousand to avoid oem in this case
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Old Aug 1, 2014 | 06:33 PM
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2006 E55 AMG
I promise to get a kit together for the fellas. I have had a lot of PMS, just been busy trying to get my sled finished.

I will have a kit priced by the end of next week and could drive cost down even more if a group buy was started
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Old Aug 1, 2014 | 07:39 PM
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Originally Posted by chawkins2001
I have had a lot of PMS,
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Old Aug 2, 2014 | 03:25 AM
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Hi

Would the supercharger need to be removed to fit this kit? I only have a standard fuel rail at the moment.

Regards,

OZZYAMG
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Old Aug 2, 2014 | 09:07 AM
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Originally Posted by OZZYAMG
Hi

Would the supercharger need to be removed to fit this kit? I only have a standard fuel rail at the moment.

Regards,

OZZYAMG
One can install a looped fuel rail with the supercharger still on the engine, so I would guess the same for the kit install.

Also, Craig is NOT using the OEM pumps. He had a thread about replacing the pumps with dual 340lph aeromotive pumps.
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Old Aug 2, 2014 | 09:15 AM
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If you have a return line why would you need to loop rail?
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Old Aug 2, 2014 | 09:20 AM
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Originally Posted by Roverron
If you have a return line why would you need to loop rail?
Isn't a setup with a return line technically a looped rail ? I guess it just depends on where the line in and line out are located...
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Old Aug 2, 2014 | 11:20 AM
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As i know; reason of looped rail, for eliminate possibility of starvation in the end of the rail (cylinder #8), during WOT or high rev situations...!

not sure why MB looped the rail for (4.2/5.0 M119 & SLR M155) only..!!!!

ZAYED,,
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Old Aug 2, 2014 | 11:33 AM
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For the SLR it was because it has higher stock boost , that's why when adding boost to these engines smart move is to install a looped rail and bigger injectors
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